Products to Compare (max of 3)
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Add to Cart
DEi 050503 Floor/Tunnel Shield II, Heat/Sound Insulation, 4 Ft x 42 In
DEi 050503 Floor/Tunnel Shield II, Heat/Sound Insulation, 4 Ft x 42 In

DEi 050503 Floor/Tunnel Shield II, Heat/Sound Insulation, 4 Ft x 42 In

0 Reviews | 0 Answered Questions
In Stock
Ships FREE
DEi 050503 Floor/Tunnel Shield II, Heat/Sound Insulation, 4 Ft x 42 In
DEi 050503 Floor/Tunnel Shield II, Heat/Sound Insulation, 4 Ft x 42 In
Zoomed In Image
Part # 35650503
Save 19%
Add to Cart
Call to Order
Add to Buildlist

Videos & Articles

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.


GTIN Code:
MFG. Part #:
Overall Length:
4.00' ft.
Overall Width:
Material Type:
Sold in Quantity:


Designed to provide the best possible heat protection in areas where high temperatures are always present and problematic, Floor & Tunnel Shield II limits heat transfer on fire walls, transmission tunnels, floor boards, fuel cells and other areas where heat is an issue.  Floor & Tunnel Shield II provides excellent light weight thermal protection, acts as a guard against track and road debris, and provides sound deadening as well.

Constructed with an embossed 10 mil aluminum face bonded to 1/8” composite glass-fiber core and backed with a high temp super strong pressure sensitive backing, Floor & Tunnel Shield II withstands up to 1750°F of direct continuous heat. The adhesive side holds past 450°F. Its improved multifaceted modern aluminum surface offers improved reflectivity and rigidity and allows for ease of installation. At only 3/16” thick, this product can be shaped and trimmed for a custom fit and is ideal for minimal clearance areas.

With a unique and patented finely woven glass-fiber backing, Floor & Tunnel Shield II is the easiest, most cost effective way to control thermal transfer while protecting expensive components and vehicle occupants from extreme heat situations and sound.

Floor & Tunnel Shield II can be used on any number of surfaces including, metal, aluminum, carbon fiber, plastic, and more. Multiple uses include: fire walls, under hoods, transmission tunnels, floor pans, fuel cells, and exterior under vehicle locations – anywhere to reflect damaging heat.

  • Ideal for firewalls, under-vehicle, floor pans, oil tank box areas, transmission tunnels, wrapping fuel cells, under hoods & more
  • Blocks radiant heat from entering driver compartment
  • Withstands direct high heat temperatures up to 1750°
  • Serves as a barrier to unwanted road, tire, & engine noise
  • Constructed from 10 mil aluminum bonded to finely woven layer of high temperature resistant glass fiber
  • Easy to form to shapes and contours
  • Excellent heat & sound barrier
  • Wind and water will not affect adhesive
  • Minimum clearance required, only 3/16” thick
  • Just trim, peel & stick
  • Aggressive self-adhesive backing holds past 450°F
  • Withstands 1750°F direct continuous heat
  • Use to shield & reflect unwanted heat
  • Multiple uses
  • Adheres to almost any surface or material including to fiberglass

Floor & Tunnel Shield Installation Instructions (PDF)

Floor and Tunnel Shield Frequently Asked Questions (PDF)

Learn more about identifying and solving vehicle noise issues by reading Boom Mat's tech article. Science of Noise.

Learn more about the advantages of Boom Mat insulation as well as proper installation by reading Super Chevy Magazine's tech article. Boom Mat Installation - Quiet Cabin.

Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

More Like This


Q & A

  • Pat show how our Speedy Bill shotgun scoop kit looks installed.
  • Looking to replace your fuel level guage or sending unit? It's important that you have the the right guage for the right sender. Speedway has the tools to make the job easy and ensure you get the right parts the first time.
  • Dialing in a suspension setup? Why not use a vehicle mounted camera to record the travel? Click here for some information on the versatility of vehicle mounted cameras and where to mount them!

You May Also Like